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JPL Small-Body Database Browser
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2032 Ethel (1970 OH)
Classification: Main-belt Asteroid          SPK-ID: 2002032
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260917388218771 3.6947e-08  
a 3.068579322976289 1.3986e-08 au
q 2.681656820429351 1.114e-07 au
i 1.508177938576466 3.9705e-06 deg
node 30.1387346123724 0.00014057 deg
peri 296.2705416945301 0.0001414 deg
M 19.36491019449169 1.6232e-05 deg
tp 2458494.886984037240
(2019-Jan-11.38698404)
8.8435e-05 TDB
period 1963.380432169959
5.38
1.3423e-05
3.675e-08
d
yr
n .1833572312840677 1.2536e-09 deg/d
Q 3.455501825523228 1.575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2875  
   data-arc span      24754 days (67.77 yr)  
   first obs. used      1952-02-26  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:09:21  

Additional Information
 Earth MOID = 1.66951 au 
 Jupiter MOID = 1.86292 au 
 T_jup = 3.219 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.4   n/a MPO358647  
diameter diameter 36.007 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.034   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2032 Ethel (1970 OH)          Discovered 1970-Jul-30 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1909-Feb-20 19:45 00:02 Jupiter 1.97151823570891 1.97151750066308 1.97151897075541 2.53700815456291 2.36159929975349 2418358.323133290 2.13563337838385 94.3694023802461 11.6476150915271 -79.9265161355835 2757840.66672587 T 39 CATAB v2.0f-lin.ifort 2019-Dec-13 21:09:37 2019-Dec-13 21:09
1918-Oct-16 21:50 00:02 Jupiter 1.86903031711669 1.86902996684353 1.86903066738974 2.61146189816241 2.43173946235133 2421883.409480306 1.98377391479108 36.9687396820669 7.05057788888342 -86.5368010461089 2692372.16058476 T 39 CATAB v2.0f-lin.ifort 2019-Dec-13 21:09:37 2019-Dec-13 21:09
1968-Jan-03 09:36 < 00:01 Jupiter 1.91193011152982 1.91192967366479 1.91193054939473 2.36556850371563 2.17022467571488 2439858.899738946 0.943295486138487 52.8140290988716 7.5915646258668 -84.9881440345013 2971121.73480613 T 39 CATAB v2.0f-lin.ifort 2019-Dec-13 21:09:37 2019-Dec-13 21:09
1977-Aug-26 14:28 < 00:01 Jupiter 1.91535896413079 1.91535863001148 1.9153592982501 2.96739313778015 2.81442161166167 2443382.103123098 0.749567282146947 35.7208494248059 9.65038889704359 -85.719623539442 3724512.03809895 T 39 CATAB v2.0f-lin.ifort 2019-Dec-13 21:09:37 2019-Dec-13 21:09
2026-Nov-13 05:19 < 00:01 Jupiter 1.87378472559057 1.87378439172644 1.87378505945458 2.30060042707864 2.09491901217147 2461357.721702254 0.340231931694371 43.5572110856485 3.96847865679714 -88.3544975842934 3371171.27174755 T 39 CATAB v2.0f-lin.ifort 2019-Dec-13 21:09:37 2019-Dec-13 21:09
2036-Jul-08 17:07 < 00:01 Jupiter 1.97739218922102 1.97739180579944 1.97739257264261 3.42277769231344 3.29525423667259 2464883.213355422 0.499614370645124 34.3232534311372 13.3448454059722 -81.7555379952081 3703058.80599618 T 39 CATAB v2.0f-lin.ifort 2019-Dec-13 21:09:37 2019-Dec-13 21:09
2085-Sep-22 09:55 00:02 Jupiter 1.86163602056803 1.86163569542957 1.86163634570638 2.35479118836634 2.15292011929931 2482855.912854190 1.54158620077946 50.2905796899106 4.45618977946513 -85.568317110379 3330561.37014049 T 39 CATAB v2.0f-lin.ifort 2019-Dec-13 21:09:37 2019-Dec-13 21:09
2144-Aug-02 20:38 00:03 Jupiter 1.87569566235686 1.87569521818948 1.87569610652414 2.53367134861379 2.34868791200035 2504354.359760188 2.7724607135275 44.1556177195606 5.62593653740797 -86.4120406197703 2225778.31748595 T 39 CATAB v2.0f-lin.ifort 2019-Dec-13 21:09:37 2019-Dec-13 21:09
2193-Oct-17 20:05 00:04 Jupiter 1.94444943396599 1.94444862848451 1.94445023945068 2.43097811275036 2.24464555356537 2522327.336635489 3.75009789561094 161.939547495432 8.72710931747658 -82.6385854029925 2990402.58898904 T 39 CATAB v2.0f-lin.ifort 2019-Dec-13 21:09:37 2019-Dec-13 21:09

Alternate Designations
 1970 OH = 1952 DU = 1960 WM = 1965 UG1 = 1971 UD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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